Nov '15
2
MCAT Question of the Day | MCAT Course


  • Q:

    In skeletal muscle contraction, which of the following provides the most important source of calcium ions?

     

    A

    Triphosphate binding to a receptor on the sarcoplasmic reticulum membrane.

    B

    The opening of calcium channels in the sarcoplasmic reticulum.

    C

    The calcium ATPase in the sarcoplasm.

    D

    Voltage-gated calcium channels in the muscle fiber plasma membrane.




    Tags: Protein Structure and Function | Musculoskeletal System | Membrane Transport and Signalling | Suggest a tag
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